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Finding the Fourth Proportional to 520,204.83, 717,860.65 and 326,713.65

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Solution

The fourth proportional to 520,204.83, 717,860.65 and 326,713.65 is: 450,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,204.83 : 717,860.65 = 326,713.65 : x
  2. Step 2: Convert to fraction form
    520,204.83/717,860.65 = 326,713.65/x
  3. Step 3: Cross multiply
    520,204.83x = 717,860.65 × 326,713.65
  4. Step 4: Simplify right side
    520,204.83x = 234,534,875,213.55
  5. Step 5: Solve for x
    x = 234,534,875,213.55/520,204.83
  6. Step 6: Final answer
    x = 450,851.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.